ACS ORGANIC CHEMISTRY ACTUAL 2025 EXAM
QUESTIONS AND CORRECT ANSWERS
GUARANTEE VERIFIED ALREADY GRADED A+.
⩥ alkyne. Answer: carbon-carbon triple bond
⩥ amine. Answer: R-NH2
⩥ alcohol. Answer: R-OH
⩥ ether. Answer: R-O-R
⩥ alkyl halide. Answer: -X (halo group)
⩥ thiol. Answer: R-SH
⩥ aldehyde. Answer: CH=O
⩥ ketone. Answer: R-C=O-R
⩥ carboxylic acid. Answer: R-COOH
⩥ amide. Answer: NH2
,⩥ halides are classified. Answer: F, Cl, Br, I and classified based on the
carbon bonded to the halide (1*,2*,3* or aryl)
⩥ Amines are classified by the number of. Answer: carbons bonded to the
nitrogen (1*,2*,3*,4*)
⩥ aryl halide. Answer: a halocarbon in which one or more halogens are
attached to the carbon atoms of an arene ring
⩥ ion-ion interactions. Answer: attractive forces between two charged
molecules and are the strongest
⩥ hydrogen bonding. Answer: the intermolecular force in which a
hydrogen atom that is bonded to a highly electronegative atom is attracted
to an unshared pair of electrons of an electronegative atom in a nearby
molecule
H to O,N
⩥ dipole-dipole interactions. Answer: attractive forces that act between
polar molecules
C-O, N, Cl, F
⩥ ion-dipole forces. Answer: attractive forces between an ion and a polar
molecule
⩥ London dispersion forces. Answer: The intermolecular attractions
resulting from the constant motion of electrons and the creation of
instantaneous dipoles
-increase in strength as contact surface increases
-greater contact surface area means more effective LD int. and higher BP
, ⩥ more electrons. Answer: more polarizable or how easily the electron
cloud can be distorted and higher melting/boiling point
⩥ Pauli Exclusion Principle. Answer: no more then two electrons can occupy a
single orbital; two electrons in the same orbital must have opposite spins
⩥ Aufbau Principle. Answer: each successive electron must fill the lowest
energy orbital available
⩥ Hund's Rule. Answer: before a second electron can be paired in the same
orbital, all other orbits at the same energy must contain a single electron
⩥ valence electrons. Answer: occupy the highest energy
ex: carbon is the n=2 shell
⩥ core electrons. Answer: occupy the remaining lower energy shells of the
atom
ex: carbon occupy n=1 shell
⩥ # of valence electrons. Answer: group #
⩥ As bond strength increases, bond length _______.. Answer: decreases
⩥ covalent bond. Answer: two or more nonmetal atoms toward share
electrons
QUESTIONS AND CORRECT ANSWERS
GUARANTEE VERIFIED ALREADY GRADED A+.
⩥ alkyne. Answer: carbon-carbon triple bond
⩥ amine. Answer: R-NH2
⩥ alcohol. Answer: R-OH
⩥ ether. Answer: R-O-R
⩥ alkyl halide. Answer: -X (halo group)
⩥ thiol. Answer: R-SH
⩥ aldehyde. Answer: CH=O
⩥ ketone. Answer: R-C=O-R
⩥ carboxylic acid. Answer: R-COOH
⩥ amide. Answer: NH2
,⩥ halides are classified. Answer: F, Cl, Br, I and classified based on the
carbon bonded to the halide (1*,2*,3* or aryl)
⩥ Amines are classified by the number of. Answer: carbons bonded to the
nitrogen (1*,2*,3*,4*)
⩥ aryl halide. Answer: a halocarbon in which one or more halogens are
attached to the carbon atoms of an arene ring
⩥ ion-ion interactions. Answer: attractive forces between two charged
molecules and are the strongest
⩥ hydrogen bonding. Answer: the intermolecular force in which a
hydrogen atom that is bonded to a highly electronegative atom is attracted
to an unshared pair of electrons of an electronegative atom in a nearby
molecule
H to O,N
⩥ dipole-dipole interactions. Answer: attractive forces that act between
polar molecules
C-O, N, Cl, F
⩥ ion-dipole forces. Answer: attractive forces between an ion and a polar
molecule
⩥ London dispersion forces. Answer: The intermolecular attractions
resulting from the constant motion of electrons and the creation of
instantaneous dipoles
-increase in strength as contact surface increases
-greater contact surface area means more effective LD int. and higher BP
, ⩥ more electrons. Answer: more polarizable or how easily the electron
cloud can be distorted and higher melting/boiling point
⩥ Pauli Exclusion Principle. Answer: no more then two electrons can occupy a
single orbital; two electrons in the same orbital must have opposite spins
⩥ Aufbau Principle. Answer: each successive electron must fill the lowest
energy orbital available
⩥ Hund's Rule. Answer: before a second electron can be paired in the same
orbital, all other orbits at the same energy must contain a single electron
⩥ valence electrons. Answer: occupy the highest energy
ex: carbon is the n=2 shell
⩥ core electrons. Answer: occupy the remaining lower energy shells of the
atom
ex: carbon occupy n=1 shell
⩥ # of valence electrons. Answer: group #
⩥ As bond strength increases, bond length _______.. Answer: decreases
⩥ covalent bond. Answer: two or more nonmetal atoms toward share
electrons
